191219980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{14081}}^1$

素因数の和:14194

約数の個数: 48

約数和(自身を含む): 463692096

約数和(自身を除く): 272472116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 14081, 28162, 56324, 70405, 98567, 140810, 197134, 281620, 394268, 492835, 985670, 1365857, 1971340, 2731714, 5463428, 6829285, 9560999, 13658570, 19121998, 27317140, 38243996, 47804995, 95609990, 191219980]

約数ペア:

[(1, 191219980), (2, 95609990), (4, 47804995), (5, 38243996), (7, 27317140), (10, 19121998), (14, 13658570), (20, 9560999), (28, 6829285), (35, 5463428), (70, 2731714), (97, 1971340), (140, 1365857), (194, 985670), (388, 492835), (485, 394268), (679, 281620), (970, 197134), (1358, 140810), (1940, 98567), (2716, 70405), (3395, 56324), (6790, 28162), (13580, 14081)]